🔥 Weekly Challenge

This Week's Hard Problem

2026-07-06 — 2026-07-12  ·  2 days left

+700 coins

for solving before week ends

Codeforces 2300

888G · Xor-MST

Solve this Codeforces problem before Sunday ends and earn 700 coins. No pressure on who finishes first — just get it done.

Open on Codeforces →
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Be the first to crack this week's challenge and earn 700 coins.